CN214182337U - Waste gas treatment device for polyamide production - Google Patents
Waste gas treatment device for polyamide production Download PDFInfo
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- CN214182337U CN214182337U CN202022673055.2U CN202022673055U CN214182337U CN 214182337 U CN214182337 U CN 214182337U CN 202022673055 U CN202022673055 U CN 202022673055U CN 214182337 U CN214182337 U CN 214182337U
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Abstract
The utility model discloses a waste gas treatment device for nylon production, which comprises an exhaust pipeline and a treatment pipeline, wherein the air inlet end of the exhaust pipeline is connected with a process waste gas discharge pipe and an environment waste gas discharge pipe; a spraying device is arranged above the exhaust pipeline at the through hole; a wastewater recovery device is arranged below the treatment pipeline and at the water outlet; and one end of the treatment pipeline, which is far away from the exhaust pipeline, is sequentially provided with an oil removal device and a filtering device. The utility model not only can fully and stably filter solid harmful substances and monomer waste gas floating in the process waste gas and the environment waste gas, but also can realize liquid circulation spraying use by directly connecting the process waste gas discharge pipe and the environment waste gas discharge pipe with the exhaust pipeline and arranging the multilayer filtering system consisting of the spraying device, the waste water recovery device, the oil removal device and the filtering device on the treatment pipeline; and meanwhile, an exhaust gas monitor is arranged, so that whether the exhaust gas meets the exhaust requirement can be monitored in real time.
Description
Technical Field
The utility model relates to a polyamide fibre production technical field especially relates to a waste gas treatment device is used in polyamide fibre production.
Background
The heating ring section in the nylon production process can generate a large amount of monomer waste gas, and the monomers are difficult to clean after being changed into crystals, so that part of monomers volatilized in the nylon production process enter a process waste gas chimney through the suction of a loudspeaker, and the other part of monomers volatilized in the air are discharged into an environment waste gas chimney through an exhaust system;
the process waste gas and the environmental waste gas can not be directly discharged into the air; however, in the prior art, the process waste gas and the environment waste gas are treated by corresponding spraying through a separate chimney and then are discharged into the air after passing through the oil removal device, and the structural design causes that the monomer waste gas cannot be treated in a centralized manner, so that the problems of insufficient spraying, incomplete filtering of the monomer waste gas and the like easily occur; and the filtering mode is single, and the filter effect is unstable, can not monitor in real time whether exhaust gas reaches the emission requirement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a waste gas treatment device is used in polyamide fibre production has solved the problem that above-mentioned background art provided.
The utility model discloses the technical scheme who adopts as follows:
a waste gas treatment device for nylon production comprises an exhaust pipeline and a treatment pipeline, and is characterized in that the air inlet end of the exhaust pipeline is connected with a process waste gas discharge pipe and an environment waste gas discharge pipe; the exhaust end of the exhaust pipeline is connected with the treatment pipeline through a connecting cap; the upper surface of the exhaust pipeline is provided with uniformly distributed through holes; a spraying device is arranged at the through hole of the exhaust pipeline; the spraying device is communicated with the through hole;
the lower surface of the treatment pipeline is provided with a water outlet; a wastewater recovery device is arranged below the treatment pipeline; the water outlet is communicated with the wastewater recovery device through a water collecting pipe;
and one end of the treatment pipeline, which is far away from the exhaust pipeline, is sequentially provided with an oil removal device and a filtering device.
Preferably, the spraying device comprises a liquid suction pump, a spraying head and a connecting pipeline; the spray header is positioned in the through hole and faces the interior of the processing pipeline; one end of the connecting pipeline is communicated with the spray header, and the other end of the connecting pipeline is communicated with the liquid suction pump; the other end of the liquid suction pump is connected with a wastewater recovery device.
Preferably, the wastewater recovery device comprises a settling tank and a water collecting tank; the sedimentation tank is communicated with the water outlet through a water collecting pipe; the settling tank is communicated with the water collecting tank through a pipeline; the water collection tank is communicated with a liquid suction pump.
Preferably, the filtering device comprises a filtering pipeline, and the filtering pipeline is sequentially provided with first filtering cotton, an air suction pump and second filtering cotton in the direction away from the processing pipeline; the first filter cotton, the air suction pump and the second filter cotton are fixedly connected with the filter pipeline respectively.
Preferably, an exhaust gas monitor is arranged at one end of the filtering pipeline, which is far away from the processing pipeline.
Preferably, the filtering pipeline is provided with a first replacing port and a second replacing port at the positions below the first filtering cotton and the second filtering cotton respectively.
Preferably, a flow valve is arranged on the connecting pipeline.
Preferably, the oil removing device is electrostatic oil removing equipment or filtering oil removing equipment.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model not only can fully and stably filter solid harmful substances and monomer waste gas floating in the process waste gas and the environment waste gas, but also can realize liquid circulation spraying use by directly connecting the process waste gas discharge pipe and the environment waste gas discharge pipe with the exhaust pipeline and arranging the multilayer filtering system consisting of the spraying device, the waste water recovery device, the oil removal device and the filtering device on the treatment pipeline; and meanwhile, an exhaust gas monitor is arranged, so that whether the exhaust gas meets the exhaust requirement can be monitored in real time.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
wherein: the device comprises an exhaust pipeline 1, a treatment pipeline 2, a process waste gas discharge pipe 3, an environment waste gas discharge pipe 4, a connecting cap 5, a spraying device 6, a waste water recovery device 7, a water collecting pipe 8, an oil removal device 9, a filtering device 10, a waste gas monitor 11, a flow valve 12, a through hole 20, a water outlet 21, a liquid suction pump 61, a spraying head 62, a connecting pipeline 63, a settling tank 71, a water collecting tank 72, a filtering pipeline 101, first filtering cotton 102, an air suction pump 103, second filtering cotton 104, a first replacement port 111 and a second replacement port 112.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in figure 1, the waste gas treatment device for nylon production comprises an exhaust pipeline 1 and a treatment pipeline 2, and is characterized in that the air inlet end of the exhaust pipeline 1 is connected with a process waste gas discharge pipe 3 and an environment waste gas discharge pipe 4; the exhaust end of the exhaust pipeline 1 is connected with the treatment pipeline 2 through a connecting cap 5; the upper surface of the exhaust pipeline 1 is provided with through holes 20 which are uniformly distributed; the spraying device 6 is arranged at the through hole 20 of the exhaust pipe 1; the spraying device 6 is communicated with the through hole 20.
The lower surface of the processing pipeline 2 is provided with a water outlet 21; a wastewater recovery device 7 is arranged below the treatment pipeline 2; the water outlet 21 is communicated with the wastewater recovery device 7 through a water collecting pipe 8.
And one end of the treatment pipeline 2, which is far away from the exhaust pipeline 1, is sequentially provided with an oil removal device 9 and a filtering device 10.
In the embodiment, the process waste gas discharge pipe 3 and the environment waste gas discharge pipe 4 are directly connected with the exhaust pipeline 1, and the processing pipeline 2 is provided with a multi-layer filtering system consisting of a spraying device 6, a wastewater recovery device 7, an oil removal device 9 and a filtering device 10, so that not only can solid harmful substances and monomer waste gas floating in the process waste gas and the environment waste gas be filtered fully and stably, but also the liquid is sprayed and used circularly; meanwhile, the exhaust gas monitor 11 is arranged, so that whether the exhaust gas meets the emission requirement can be monitored in real time.
Further, the spraying device 6 comprises a liquid suction pump 61, a spraying head 62 and a connecting pipeline 63; the spray header 62 is positioned in the through hole 20, and the spray header 62 faces the interior of the processing pipeline 2; one end of the connecting pipeline 63 is communicated with the spray header 62, and the other end is communicated with the liquid suction pump 61; the other end of the liquid suction pump 61 is connected to the wastewater recovery device 7.
Further, the wastewater reclamation apparatus 7 includes a settling tank 71 and a water collection tank 72; the settling tank 71 is communicated with the water outlet 21 through a water collecting pipe 8; the settling tank 71 is communicated with the water collecting tank 72 through a pipeline; the water collection tank 72 communicates with the liquid suction pump 61.
In this embodiment, the liquid suction pump 61 is operated, the liquid suction pump 61 will filter the liquid through the connecting pipe 63 to the vicinity of the shower head 62 and spray it out, the sprayed liquid will filter the solid harmful substances and monomer exhaust gases floating in the process exhaust gases and the environmental exhaust gases, and then the liquid will enter the wastewater reclamation apparatus 7 through the water outlet 21 due to gravity; then flows to the precipitation tank 71, solid harmful substances can be precipitated, liquid can be recycled and sprayed for use, so that solid harmful substances and monomer waste gas floating in process waste gas and environment waste gas can be filtered fully and stably, the solid harmful substances are filtered and precipitated, sewage is recycled and sprayed for use, and relevant requirements of environmental protection are met.
Further, the filtering device 10 comprises a filtering pipeline 101, and the filtering pipeline 101 is sequentially provided with a first filter cotton 102, an air suction pump 103 and a second filter cotton 104 in a direction away from the processing pipeline 2; the first filter cotton 102, the air suction pump 103 and the second filter cotton 104 are respectively and fixedly connected with the filter pipeline 101.
In this embodiment, the air suction pump 103 is controlled to operate, so that the air pressure is generated between the filter pipeline 101 and the outside, the exhaust gas is actively moved to the first filter cotton 102 and the second filter cotton 104, the exhaust gas is filtered by the first filter cotton 102 and the second filter cotton 104, the best filtering effect is achieved, and then the exhaust gas is discharged to the atmosphere.
Further, an exhaust gas monitor 11 is arranged at one end of the filtering pipeline 101, which is far away from the processing pipeline 2; whether the discharged waste gas meets the discharge requirement is monitored in real time by arranging a waste gas detector 11.
Further, the filtering pipeline 101 is provided with a first replacement port 111 and a second replacement port 112 at positions below the first filtering cotton 102 and the second filtering cotton 103, respectively; the first replacement port 111 and the second replacement port 112 are provided to facilitate replacement or cleaning of the filter cotton.
Further, a flow valve 12 is arranged on the connecting pipeline 63; the flow valve 12 is used to regulate the flow of liquid into the showerhead 62 so that the amount and rate of flow of liquid from the showerhead 62 can be controlled.
Further, the oil removing device 9 is an electrostatic oil removing device or a filtering oil removing device.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (8)
1. A waste gas treatment device for nylon production comprises an exhaust pipeline and a treatment pipeline, and is characterized in that the air inlet end of the exhaust pipeline is connected with a process waste gas discharge pipe and an environment waste gas discharge pipe; the exhaust end of the exhaust pipeline is connected with the treatment pipeline through a connecting cap; the upper surface of the exhaust pipeline is provided with uniformly distributed through holes; a spraying device is arranged at the through hole of the exhaust pipeline; the spraying device is communicated with the through hole;
the lower surface of the treatment pipeline is provided with a water outlet; a wastewater recovery device is arranged below the treatment pipeline; the water outlet is communicated with the wastewater recovery device through a water collecting pipe;
and one end of the treatment pipeline, which is far away from the exhaust pipeline, is sequentially provided with an oil removal device and a filtering device.
2. The waste gas treatment device for chinlon production according to claim 1, wherein the spraying device comprises a liquid suction pump, a spraying head and a connecting pipeline; the spray header is positioned in the through hole and faces the interior of the processing pipeline; one end of the connecting pipeline is communicated with the spray header, and the other end of the connecting pipeline is communicated with the liquid suction pump; the other end of the liquid suction pump is connected with a wastewater recovery device.
3. The waste gas treatment device for chinlon production according to claim 1, wherein the waste water recovery device comprises a settling tank and a water collection tank; the sedimentation tank is communicated with the water outlet through a water collecting pipe; the settling tank is communicated with the water collecting tank through a pipeline; the water collection tank is communicated with a liquid suction pump.
4. The waste gas treatment device for nylon production according to claim 1, wherein the filter device comprises a filter pipeline, and a first filter cotton, an air suction pump and a second filter cotton are sequentially arranged on the filter pipeline in a direction away from the treatment pipeline; the first filter cotton, the air suction pump and the second filter cotton are fixedly connected with the filter pipeline respectively.
5. The waste gas treatment device for nylon production according to claim 4, wherein an exhaust gas monitor is arranged at one end of the filtering pipeline, which is far away from the treatment pipeline.
6. The waste gas treatment device for nylon production of claim 4, wherein the filter pipeline is provided with a first replacement port and a second replacement port at positions below the first filter cotton and the second filter cotton, respectively.
7. The waste gas treatment device for nylon production according to claim 2, wherein a flow valve is arranged on the connecting pipeline.
8. The waste gas treatment device for chinlon production according to claim 1, wherein the oil removal device is an electrostatic oil removal device or a filtration oil removal device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022673055.2U CN214182337U (en) | 2020-11-18 | 2020-11-18 | Waste gas treatment device for polyamide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022673055.2U CN214182337U (en) | 2020-11-18 | 2020-11-18 | Waste gas treatment device for polyamide production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214182337U true CN214182337U (en) | 2021-09-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022673055.2U Active CN214182337U (en) | 2020-11-18 | 2020-11-18 | Waste gas treatment device for polyamide production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214182337U (en) |
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2020
- 2020-11-18 CN CN202022673055.2U patent/CN214182337U/en active Active
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