CN214120711U - Hot-blast recycle device of paper machine workshop turbofan - Google Patents
Hot-blast recycle device of paper machine workshop turbofan Download PDFInfo
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- CN214120711U CN214120711U CN202023177726.2U CN202023177726U CN214120711U CN 214120711 U CN214120711 U CN 214120711U CN 202023177726 U CN202023177726 U CN 202023177726U CN 214120711 U CN214120711 U CN 214120711U
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Abstract
The utility model provides a hot air recycling device of a turbine fan in a papermaking workshop of a paper machine, which comprises a tee joint arranged at the exhaust pipeline of the turbine fan, wherein the first outlet of the tee joint is connected with an air pipe, a first manual air valve is arranged at the joint, and a shutter is arranged on the side surface of the air pipe; and a second outlet of the tee joint is connected with a pipeline, and a second manual air valve is arranged at the joint. The utility model discloses can improve workshop operational environment, save high power consumption's electric heater unit and motor drive blowing system, and once invest in for a short time, the long-term income of enterprise. The utility model provides a workshop heating problem, energy saving and consumption reduction reduces to reduce the net portion press portion time for eliminating the net portion press portion winter time of dripping, avoids the expense that electricity or steam consumption caused. The working efficiency of the maintenance personnel for shutdown maintenance in winter is improved, and the cracking of the rubber on the surface of the roller is avoided.
Description
Technical Field
The utility model relates to a be equipped with turbofan's papermaking trade device especially relates to a hot-blast recycle device of paper machine papermaking workshop turbofan.
Background
At present, with the continuous progress of vacuum technology, an old vacuum pump with high energy consumption and low efficiency is gradually replaced by a turbine fan with high efficiency and energy saving, and hot air exhausted by an exhaust pipe of the turbine fan is directly exhausted to the atmosphere, so that a heat source is wasted.
In the papermaking workshop, the pulping part of the net saving part in winter has serious water drop, and high-temperature steam is needed to supplement a large amount of hot air to the workshop. If the hot air exhausted by the turbine fan can be utilized, the production cost can be reduced.
Because the spring festival is in the off season of the driving, the paper machine is mostly stopped in the spring festival to overhaul or transform and upgrade the production and operation equipment. The temperature in the workshop is sharply reduced, for example, the temperature in the workshop is-5 ℃ in the north, the working efficiency of maintenance workers is underground in the temperature environment, and the rubber material coated on the roller surface of the net squeezing part, especially the stone-like rubber, is easy to have the problem of large-batch glue explosion, so that the direct economic loss is huge.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hot-blast recycle device of paper machine papermaking workshop turbofan for solve in the workshop during shutdown in winter temperature low, ceiling condensate drop, maintenance personal maintenance efficiency low, the rubber roll surface scheduling problem that bursts, its technical scheme as follows:
a hot air recycling device for a turbine fan in a papermaking workshop of a paper machine comprises a tee joint arranged at an exhaust pipeline of the turbine fan, wherein a first outlet of the tee joint is connected with an air pipe, a first manual air valve is arranged at the joint, and a shutter is arranged on the side surface of the air pipe; and a second outlet of the tee joint is connected with a pipeline, and a second manual air valve is arranged at the joint.
And a blind plate is arranged at the tail end of the air pipe.
The air pipes comprise a plurality of sections of air pipes with the pipe diameters sequentially reduced, and the air pipes among different pipe diameters are connected through large and small connectors.
The air pipe comprises a first air pipe, a second air pipe and a third air pipe, the front end of the first air pipe is connected with a first manual air valve, the rear end of the first air pipe is connected with the front end of the second air pipe through a first large-small joint, the rear end of the second air pipe is connected with the front end of the third air pipe through a second large-small joint, and a blind plate is installed at the rear end of the third air pipe.
The pipe diameter of the first air pipe is phi 800mm, and the diameter of an opening of the aluminum alloy shutter arranged on the side face is phi 800 mm.
The pipe diameter of the second air pipe is phi 450mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 570 mm.
The pipe diameter of the third air pipe is phi 355mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 450 mm.
And flanges for increasing the strength of the air pipe are arranged every 2.5m of the air pipe.
The opening position of the shutter avoids the upright post in the workshop.
The air pipe and the pipeline are made of 304 stainless steel.
The hot air recycling device of the turbine fan in the papermaking workshop of the paper machine has the following effects:
1. the method reduces the problem that the paper sheet is dripped in winter by the net part pressing part to form paper defects, and avoids the cost caused by electricity or steam consumption and other power consumption.
2. The working efficiency of winter shutdown maintenance personnel is improved, and the problem of low working efficiency and even frostbite of winter maintenance personnel is avoided.
3. Avoid the cost of extra coating rubber layer caused by the burst of the rubber on the surface of the roller due to the over-low temperature.
Drawings
FIG. 1 is a schematic structural diagram of a hot air recycling device of a turbine fan of a paper making workshop of a paper machine;
FIG. 2 is a schematic view of a first segment of a pipeline;
FIG. 3 is a schematic view of a second section of pipe;
FIG. 4 is a schematic view of a third section of piping;
FIG. 5 is a schematic view of a fourth segment of piping.
Detailed Description
As shown in fig. 1, the hot air recycling device of the turbofan in the paper making workshop of the paper machine comprises a tee joint 1 arranged at an exhaust pipeline 100 of the turbofan, wherein a first outlet of the tee joint 1 is connected with an air pipe, a shutter 5 is arranged on the side surface of the air pipe, and the shutter 5 is used for providing hot air to the paper making workshop in winter; the second outlet is connected to the drying section via a duct 12 for recycling exhaust hot air of the turbine fan to the drying section air hood in spring, summer and autumn.
Blast gate is all installed to two exports of tee bend 1, and first manual blast gate 2 is installed in first exit, blind plate 9 is installed to the end of tuber pipe, when providing the heating installation to the workshop inside of copying paper, for guaranteeing the wind pressure, from first manual blast gate 2 to the tuber pipe between blind plate 9 including multisection tuber pipe, and the pipe diameter of tuber pipe reduces gradually, connects through the reducer union between the tuber pipe between different pipe diameters, and 5 specifications of the shutter of connecting also correspondingly diminish on the tuber pipe of different festivals.
As shown in fig. 2 to 5, the air ducts include a first air duct 4, a second air duct 7, and a third air duct 10, the front end of the first air duct 4 is connected to the first manual air valve 2, the rear end of the first air duct 4 is connected to the front end of the second air duct 7 through a first large-small joint 6, the rear end of the second air duct 7 is connected to the front end of the third air duct 10 through a second large-small joint 10, and a blind plate 9 is installed at the rear end of the third air duct 10. Like this, follow-up tuber pipe pipeline adopts the necking down pipeline to guarantee that the intraductal pressure is unchangeable.
The side of tuber pipe is opened there is circular shape hole for installation aluminum alloy shutter 5, through 5 external air supplies of aluminum alloy shutter, and shutter opening position avoids workshop interval 6 m's stand. The air pipe is additionally provided with a flange 3 every 2.5m so as to increase the strength of the air pipe.
The wind pressure 4Kpa of tee bend 1 department, its pipeline material are 304 stainless steel, form through the design of reelpipe bite, and the thickness of tee bend pipe wall is 0.8mm, the pipe diameter phi 800mm of three interface.
The pipe diameter of the first air pipe 4 is phi 800mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 800 mm.
The pipe diameter of the second air pipe 7 is phi 450mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 570 mm.
The pipe diameter of the third air pipe 10 is phi 355mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 450 mm.
Thus, hot air is supplied to the top of the net part pressing part of the papermaking workshop in winter through the air pipe and the shutters.
A second manual air valve 11 is arranged at the second outlet, and the pipeline 12 is made of 304 stainless steel and has the diameter of 800 mm. Cut off hot-air in hot season through second manual blast gate 11 for spring summer autumn season carries out waste heat recovery with turbo fan's outer hot air recycle to stoving portion gas hood, reduces the fresh steam consumption in workshop, reduction in production cost.
The utility model discloses according to the requirement of national energy saving and emission reduction policy, carried out the analysis to the workshop turbofan that copies volume of airing exhaust, provided the technique that hot-blast recovery is used for production in winter and put into practice, improved workshop operational environment, saved high power consumption's electric heating equipment and motor drive blast system, and once invest in for a short time, the long-term income of enterprise. The utility model provides a workshop heating problem, energy saving and consumption reduction. The time of the net part pressing part is reduced in winter to eliminate water dripping of the net part pressing part in winter, and the cost caused by electricity or steam consumption is avoided. The working efficiency of the maintenance personnel for shutdown maintenance in winter is improved, and the cracking of the rubber on the surface of the roller is avoided.
Claims (10)
1. The utility model provides a hot-blast recycle device of paper machine paper making workshop turbofan which characterized in that: the device comprises a tee joint arranged at an exhaust pipeline of the turbine fan, wherein a first outlet of the tee joint is connected with an air pipe, a first manual air valve is arranged at the joint, and a shutter is arranged on the side surface of the air pipe; and a second outlet of the tee joint is connected with a pipeline, and a second manual air valve is arranged at the joint.
2. The hot air recycling device of the turbine fan in the paper making workshop of the paper machine according to claim 1, characterized in that: and a blind plate is arranged at the tail end of the air pipe.
3. The hot air recycling device of the turbine fan in the paper making workshop of the paper machine according to claim 1, characterized in that: the air pipes comprise a plurality of sections of air pipes with the pipe diameters sequentially reduced, and the air pipes among different pipe diameters are connected through large and small connectors.
4. The hot air recycling device of the turbine fan of the paper making workshop of the paper machine as claimed in claim 3, characterized in that: the air pipe comprises a first air pipe, a second air pipe and a third air pipe, the front end of the first air pipe is connected with a first manual air valve, the rear end of the first air pipe is connected with the front end of the second air pipe through a first large-small joint, the rear end of the second air pipe is connected with the front end of the third air pipe through a second large-small joint, and a blind plate is installed at the rear end of the third air pipe.
5. The hot air recycling device of the turbine fan of the paper making workshop of the paper machine as claimed in claim 4, characterized in that: the pipe diameter of the first air pipe is phi 800mm, and the diameter of an opening of the aluminum alloy shutter arranged on the side face is phi 800 mm.
6. The hot air recycling device of the turbine fan of the paper making workshop of the paper machine as claimed in claim 4, characterized in that: the pipe diameter of the second air pipe is phi 450mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 570 mm.
7. The hot air recycling device of the turbine fan of the paper making workshop of the paper machine as claimed in claim 4, characterized in that: the pipe diameter of the third air pipe is phi 355mm, and the diameter of the opening of the aluminum alloy shutter arranged on the side surface is phi 450 mm.
8. The hot air recycling device of the turbine fan in the paper making workshop of the paper machine according to claim 1, characterized in that: and flanges for increasing the strength of the air pipe are arranged every 2.5m of the air pipe.
9. The hot air recycling device of the turbine fan in the paper making workshop of the paper machine according to claim 1, characterized in that: the opening position of the shutter avoids the upright post in the workshop.
10. The hot air recycling device of the turbine fan in the paper making workshop of the paper machine according to claim 1, characterized in that: the air pipe and the pipeline are made of 304 stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023177726.2U CN214120711U (en) | 2020-12-25 | 2020-12-25 | Hot-blast recycle device of paper machine workshop turbofan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023177726.2U CN214120711U (en) | 2020-12-25 | 2020-12-25 | Hot-blast recycle device of paper machine workshop turbofan |
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| Publication Number | Publication Date |
|---|---|
| CN214120711U true CN214120711U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023177726.2U Active CN214120711U (en) | 2020-12-25 | 2020-12-25 | Hot-blast recycle device of paper machine workshop turbofan |
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| CN (1) | CN214120711U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387156A (en) * | 2023-09-28 | 2024-01-12 | 无锡维科通风机械有限公司 | Semi-closed furred ceiling heat recovery ventilation system |
-
2020
- 2020-12-25 CN CN202023177726.2U patent/CN214120711U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117387156A (en) * | 2023-09-28 | 2024-01-12 | 无锡维科通风机械有限公司 | Semi-closed furred ceiling heat recovery ventilation system |
| CN117387156B (en) * | 2023-09-28 | 2024-05-10 | 无锡维科通风机械有限公司 | Semi-closed furred ceiling heat recovery ventilation system |
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