CN217889010U

CN217889010U - Drainage device for preventing oligomer diffusion

Info

Publication number: CN217889010U
Application number: CN202222322189.9U
Authority: CN
Inventors: 计辉; 黄银飞
Original assignee: Shanghai Zidong Nylon Material Technology Co ltd
Current assignee: Shanghai Zidong Nylon Material Technology Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-11-25
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a prevent drainage device of oligomer diffusion sets up in the roof intermediate layer that the oligomer can waft into, be in including interval distribution in the intermediate layer with first air extraction equipment and the second air extraction equipment of external intercommunication, with the tuber pipe that first air extraction equipment connects and with a plurality of inlet vents of tuber pipe intercommunication, be provided with first filter screen in the first air extraction equipment, be provided with the second filter screen in the second air extraction equipment, the tuber pipe is close to the pollution source setting, will waft and fall into the low molecular thing in the intermediate layer and siphon away, forms the oligomer after making the low molecular thing cooling and fix on first filter screen and second filter screen, effectively reduces the accumulation of oligomer in the roof intermediate layer, eliminates the potential safety hazard that the oligomer brought.

Description

Drainage device for preventing oligomer diffusion

Technical Field

The utility model relates to a drainage device technical field, concretely relates to prevent drainage device of oligomer diffusion.

Background

In the production process of the nylon film, different steps are completed in different workshops, if the nylon film is transversely pulled in a transverse pulling workshop, the transversely pulled film can enter a winding workshop of a partition wall to be wound, an interlayer is further arranged at the top of the winding workshop, due to the actual structural condition of a house, the interlayer is separated from the transverse pulling workshop through the partition wall and cannot be completely isolated, low molecular substances are generated in the heating process of production of the nylon film (polycaprolactam), low molecular substances are generated when the nylon film is in a transverse pulling cooling section due to large cooling gradient and are cooled to generate low molecular substances, a large amount of low molecular substances are rapidly condensed on the wall of a blast pipe of the cooling section, due to the fact that the box body of the cooling section is not sealed well, part of hot air containing the low molecular substances can be scattered in the transverse pulling workshop and further flows into the interlayer through the partition wall, the interlayer is large in area and basically has no people to watch, a large number of pipelines are arranged inside, the low molecular substances are inflammable substances, and a large number of low molecular substances accumulated in the interlayer can cause great potential safety hazards.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent drainage device of oligomer diffusion, solve among the prior art and violently draw the problem that forms the oligomer and cause the potential safety hazard in the intermediate layer easily of low molecular thing in workshop.

The purpose of the utility model can be realized by the following technical scheme:

the utility model provides a prevent drainage device of oligomer diffusion, sets up in the roof intermediate layer that the oligomer can fly away and come in, be in including interval distribution with first air extraction equipment and the second air extraction equipment of external intercommunication, with the tuber pipe that first air extraction equipment is connected and with a plurality of inlet vents of tuber pipe intercommunication, be provided with first filter screen in the first air extraction equipment, be provided with the second filter screen in the second air extraction equipment, the tuber pipe is close to the pollution sources setting.

As a further aspect of the present invention: and the plurality of air suction openings are uniformly distributed along the length direction of the air pipe at intervals.

As a further aspect of the present invention: the air pipe is arranged at the top end inside the interlayer.

As a further aspect of the present invention: the inlet scoop include with the bending segment that the tuber pipe is connected and set up the bending segment is kept away from the suction inlet section of tuber pipe one end, the bending segment with be provided with the protection network between the suction inlet section.

As a further aspect of the present invention: the bending section is connected with the suction port section through a bolt.

As a further aspect of the present invention: the suction port section is arranged in a horn shape with the caliber gradually enlarged along the direction far away from the bending section.

As a further aspect of the present invention: the first air draft equipment adopts a negative air compressor.

As a further aspect of the present invention: the second air draft equipment adopts two negative air compressors.

The utility model has the advantages that: through arranging the first air draft equipment, and the air pipe and the air suction opening which are matched with the first air draft equipment, the first air draft equipment can absorb most of low molecular substances falling into the interlayer, and the low molecular substances are cooled to form oligomers which are gathered on the first filter screen; meanwhile, the second air draft equipment is arranged to suck the low molecular substances which cross the first air draft equipment away and form the oligomers to be gathered on the second filter screen, so that the accumulation of the oligomers in the interlayer of the roof is effectively reduced, and the potential safety hazard caused by the oligomers is eliminated.

Drawings

The present invention will be further described with reference to the accompanying drawings.

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

fig. 2 is a partial structural schematic diagram of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-2, the utility model relates to a prevent drainage device of oligomer diffusion for set up in the roof intermediate layer 1 that oligomer can drift into, including interval distribution in intermediate layer 1 with the first air extraction equipment 2 and the second air extraction equipment 3 of external intercommunication, the tuber pipe 4 of being connected with first air extraction equipment 2 and with a plurality of inlet scoop 5 of tuber pipe 4 intercommunication, be provided with first filter screen (not shown) in the first air extraction equipment 2, be provided with the second filter screen (not shown) in the second air extraction equipment 3, inlet scoop 5 is close to the pollution source setting.

Specifically, the interlayer 1 is located at the top area of the film rolling workshop 6 and is separated from the film transverse-pulling workshop 7 by a partition plate 10, a transverse stretching machine 8 is arranged in the film transverse-pulling workshop 7 and is used for transversely stretching the film, an exhaust fan 9 with a filter screen is arranged on the roof of the film transverse-pulling workshop 7, a transverse-pulling cooling section of the transverse stretching machine 8 can generate low-molecular substances which float to the roof along with hot air when cooling the film, and part of the low-molecular substances floating to the roof can float into the interlayer 1 at the side edge along the gap between the partition plate 10 and the house.

The tuber pipe 4 sets up at intermediate layer 1 top and is close to baffle 10 and sets up, and under the effect of first air extraction equipment 2, the hot-air that contains the low molecular thing is followed inlet scoop 5 and is inhaled tuber pipe 4 back through first filter screen, makes the low molecular thing form the oligomer on first filter screen, and the hot-air is discharged outside intermediate layer 1 by first air extraction equipment 2. In this embodiment, the first air draft device 2 is a negative air blower.

The second air draft device 3 is provided with two, also adopts the negative air compressor, and the second air draft device 3 sets up and communicates with the external world on the wall of intermediate layer 1 in one side and interval setting that baffle 10 was kept away from to tuber pipe 4, and the part is crossed the hot-air that contains the low molecular thing of the suction of first air draft device 2 and is floated rear end and can be siphoned away by first air draft device 2 in intermediate layer 1 to form the oligomer interception on the second filter screen with the cooling of low molecular thing.

In this embodiment, tuber pipe 4 sets up to square pipe and vertically sets up at intermediate layer 1's top, sets up with baffle 10 relatively, and inlet scoop 5 is provided with threely, and the even setting in interval is on tuber pipe 4 is close to the side of baffle 10, and inlet scoop 5 includes the bending segment 51 that tuber pipe 4 connects and sets up the suction inlet section 52 of keeping away from tuber pipe 4 one end at bending segment 51, the oligomer of inlet scoop 5 suction intermediate layer 1 bottom of being convenient for.

Furthermore, a protective net 53 is arranged between the bending section 51 and the suction port section 52, so that the safety of the device is improved. The bending section 51 is connected with the suction port section 52 through a bolt, so that the bending section 51 and the suction port section 52 can be assembled and disassembled conveniently. The suction port section 52 is formed in a horn shape with the caliber gradually enlarged along the direction far away from the bending section 51, so that the suction range of the suction port 5 is improved.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a prevent drainage device of oligomer diffusion, sets up in the roof intermediate layer that the oligomer can fly away and come in, its characterized in that, be in including interval distribution with first air extraction equipment and the second air extraction equipment of external intercommunication, with the tuber pipe that first air extraction equipment is connected and with a plurality of inlet vents of tuber pipe intercommunication, be provided with first filter screen in the first air extraction equipment, be provided with the second filter screen in the second air extraction equipment, the tuber pipe is close to the pollution sources setting.

2. The drainage device of claim 1, wherein a plurality of the air suction openings are evenly distributed along the length direction of the air pipe at intervals.

3. The drainage device of claim 1, wherein the air duct is disposed at an inner top end of the interlayer.

4. The drainage device for preventing oligomer diffusion according to claim 1, wherein the air suction opening comprises a bending section connected with the air pipe and a suction opening section arranged at one end of the bending section far away from the air pipe, and a protective net is arranged between the bending section and the suction opening section.

5. The drainage device of claim 4, wherein the bending section is connected with the suction section through a bolt.

6. The drainage device of claim 4, wherein the suction section is flared such that the diameter of the suction section increases in a direction away from the bend section.

7. The drainage device of claim 1, wherein the first air-extracting apparatus employs a negative air compressor.

8. The drainage device of claim 1, wherein the second air extraction apparatus employs two negative air presses.