KR101103564B1 - Foam ston exhaust gas pipe of heat transferring and vibration interception device - Google Patents

Abstract

PURPOSE: A heat transferring and vibration intercepting apparatus for the exhaust gas pipe of a vessel is provided to protect a deck region by including an intercepting unit at the deck region and absorbing high temperature heat and vibrations. CONSTITUTION: Exhaust pipes(3) are fixed to the upper side and the lower side of a connecting pipe. A counter flange is inserted into the outer circumference of the connecting pipe. A vertical flange in a pipe shape is vertically fixed to a deck(5). A high temperature heat and vibration intercepting unit is interposed between the lower side of the counter flange and the upper side of the vertical flange and is fixed using a fastening unit. The temperature of exhaust gas is reduced and vibration is attenuated by the intercepting unit. The intercepting unit includes a lower gasket, an intercepting part, and an upper gasket.

Description

FOAM STON EXHAUST GAS PIPE OF HEAT TRANSFERRING AND VIBRATION INTERCEPTION DEVICE}

The present invention relates to a heat transfer and vibration blocking device of a ship exhaust gas pipe, and in particular, the high temperature and vibration of the exhaust gas when fixing the exhaust gas pipe from which the high temperature and high pressure exhaust gas generated from the ship's engine is discharged to the deck area. It is configured to be lowered and delivered to the deck.

In general, the exhaust gas of high temperature (400 ~ 600 ℃) is discharged from the engine, such as medium, large marine engines, such exhaust gas is discharged into the atmosphere through a funnel installed in the vessel. In this way, the high-temperature exhaust gas generated from the engine is discharged to the stack through the exhaust gas pipe properly piped to the internal structure of the ship, and the paint of the deck is peeled off due to the high temperature as the high temperature is transferred to the deck of the ship. Problems such as damage and the like, and a high temperature of the inside of the vessel in the heat furnace is a problem that is difficult to live the sailors.

In order to solve this problem, as shown in FIG. 1, a pipe type flange 300 and 310 having a double structure between the deck (deck) 200 to which the exhaust gas pipe 100 is fixed and The exhaust gas pipe 100 is fixed by the upper plate 311, but the exhaust gas heat of a high temperature (400 to 600 ° C.) is sequentially transferred to the flanges 300 and 310 of the dual structure, thereby forming a plurality of asbestos materials. As it is blocked by the gasket 320, high temperature heat and vibration are blocked from being transferred to the deck 200.

However, such a conventional structure requires a lot of parts such as a double flange and a gasket, which is not only complicated, but also increases the price of the product due to a high unit cost, and prevents the high temperature and vibration transmitted to the deck from being properly blocked. Occurred.

The present invention has been made to solve such a conventional problem, the present invention is provided with a high temperature and vibration blocking means in the deck area where the exhaust pipe is discharged is discharged high-temperature high-pressure exhaust gas generated in a ship engine exhaust gas It is an object of the present invention to provide a heat transfer and vibration blocking device for ship exhaust gas pipes configured to reduce transmission to a deck (deck) by absorbing high temperature and vibration.

The present invention is connected to the exhaust pipe fixed to the upper and lower exhaust pipe for discharging the high temperature exhaust gas generated from the engine of the ship to the outside; A count flange inserted into and fixed to an outer circumference of the connection pipe; Vertical flanges of pipe type fixed perpendicular to the deck; And a high temperature and vibration blocking means interposed between the count flange lower portion and the vertical flange upper region, and fixed as a fastening means to reduce the temperature of the high temperature exhaust gas and to reduce the vibration to be transmitted to the deck. do.

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According to the present invention has a high temperature and vibration blocking means with a foam stone built in the deck area in which the exhaust pipe of the high temperature exhaust gas generated from the ship engine is fixed to absorb high temperature (400 ~ 600 ℃) and vibration itself By blocking, the temperature delivered to the deck (deck) is lowered to within 60 ° C, and vibration is attenuated to provide protection for the deck.

In addition, by providing a heat shield material of the same material as the foam stone of the high temperature and vibration blocking means on the outer periphery of the connecting pipe to which the exhaust pipe is fixed, an effect of absorbing and blocking high temperature exhaust gas is provided.

1 is a configuration diagram of a conventional ship exhaust gas pipe installed on the deck.
Figure 2 is a block diagram showing a state in which the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention installed on the deck.
3 is an enlarged cross-sectional view of a portion “A” of FIG. 2.
Figure 4 is a perspective view of the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention.
5 is an exploded perspective view of the main portion of FIG. 4.
Figure 6 is a cross-sectional view of the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention.
7 is an enlarged view illustrating main parts of the portion “B” of FIG. 6.
8 is a main configuration of the high temperature and vibration blocking member for the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention.
Figure 9 is a cross-sectional view showing another embodiment of the ship exhaust pipe heat transfer and vibration blocking device for ship according to the invention.

Hereinafter, with reference to the accompanying drawings will be described a specific content for practicing the present invention.

2 is a configuration diagram showing a state in which the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention installed on the deck, Figure 3 is an enlarged cross-sectional view of the portion "A" of Figure 2, Figure 4 Is a perspective view of a heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention, Figure 5 is an exploded perspective view of the main portion of Figure 4, Figure 6 is a heat transfer and vibration blocking device of the ship exhaust pipe according to the present invention It is a cross-sectional block diagram.

As shown in Figure 2 to 6, the heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention to discharge the exhaust gas of the high temperature (400 ~ 600 ℃) generated from the engine of the ship to the outside For fixing the exhaust pipe 3 on the deck 5, which comprises: a connecting pipe 10 to which the exhaust pipe 3 is connected to the upper and lower regions by welding or the like; A count flange 20 inserted into the outer periphery of the connecting pipe 10 and fixed by welding or the like; A vertical flange 30 of pipe type fixed by welding or the like vertically on the deck 5; It is interposed between the lower portion of the count plate 20 and the upper region of the vertical flange 30, and is fixed by the fastening means 60 to lower the high temperature exhaust gas temperature, the vibration is attenuated and transmitted to the deck 5 and Vibration blocking means 40 is made.

At this time, the vertical flange 30 is fixed by welding or the like vertically on the deck (5) of the ship, made of a flange type.

The high temperature and vibration blocking means 40 includes a lower gasket 42 seated on the vertical flange 30; A high temperature and vibration blocking member 50 seated on the lower gasket 42; It consists of an upper gasket 44 which is seated on the edge of the high temperature and vibration blocking member 50 and the bottom of the count flange 20.

At this time, the lower gasket 42 and the upper gasket 44 is made of asbestos material to block the deformation and heat transfer from the exhaust gas of the exhaust pipe (3).

The high temperature and vibration blocking member 50 includes a lower plate 52 and an upper plate 53 formed of a circular shape; A cylindrical vertical plate 55 vertically connected between the lower plate 52 and the upper plate 53 and having a space 54 formed therein; A foam stone 57 filled in the space 54 to block and absorb high temperature and vibration of the exhaust gas from itself; The lower plate 52, the upper plate 53 and the insertion pipe 59 is inserted into the through hole 51 formed to correspond to the foam stone (57).

At this time, the fastening member 60 is formed through the through hole 60a and the insertion pipe 59 formed to correspond to the count flange 20, the vertical flange 30, the lower gasket 42, the upper gasket 44. A plurality of long bolts 62 inserted; It consists of a fastening nut 64 is fastened to the long bolt 62 in sequence.

On the other hand, as described above will be described a manufacturing method for the foam stone 57 to block the high temperature and vibration of the exhaust gas in itself.

First, vermiculite ^{(CMg, Fe 3 +, Al} 3 (Al, Si) 4 O 10 (OH) 2 · 4H 2 O) or pearl cancer (Perlite) the addition of heat directly from 900 ~ 1,200 ℃ fried corn or rice It will fire. At this time, the foamed (fried) vermiculite or pearl arm is foamed by about 40 to 100 times, the foamed material is formed inside the air pockets, such as non-porous table tennis ball, such as ganban stone.

Then, the cera site (SiO ₂ ) was prepared by pulverizing with 320 mesh, and then foamed vermiculite + pearl cancer + cera site powder + alumina + water were mixed to form a mixture.

At this time, the proportion of the mixture is composed of 50 to 150 parts by weight of pearl arm, 20 to 50 parts by weight of cerasite powder, and 20 to 50 parts by weight of water with respect to 100 parts by weight of vermiculite.

After the mixture is put into a mold of a desired shape, it is compressed by a hydraulic press (100toncm 2) and gradually dried to make a flange type.

At this time, vermiculite or pearl cancer emits 1,117 high-quality far-infrared rays even at room temperature (as it is without heat), and is used as a variety of health products suitable for the well-being era. It is a breakthrough material that can make products that can be made.

Therefore, if the vermiculite and pearlite are foamed, if the weight is 1% of water, the developed product is only 0.01%, but it is a circular stone, but can be floated lightly, so it can be used critically when building a skyscraper.

Using this principle, foamed vermiculite or pearlite is mixed with alumina No. 80 and cement appropriately to increase the strength to form and manufacture. It is applied to ships or onshore pipelines, even though the high temperature over 600 ℃ is continuously transmitted. It can block vibration and noise as well as perfect heat shielding effect.

Therefore, the ultra-light developed product surpasses the function of the general gasket and surpasses the low-weight excellent insulation effect and fire resistance and lightweight catable.It is a dense material which does not add CaO at all. It has excellent characteristics compared with that of Non Cement insulation, blocking, insulation, dustproof, and soundproofing products for high temperature materials which have crack resistance due to low shrinkage and explosion resistance due to low moisture.

Compressed Steel (Kg / ㎠) = 1500 ℃ x 3hrs (Cold Crushing Strenyth)

Chemical formula ^{(Mg, Fe 3 +, Al} ), (OH) ₂, (Si, Al) ₄O 10 Mg o, 33 (H 2 O) 4 Mica, especially a plastic as a silicate mineral by alteration product of biotite It is light and fireproof and is used for sound absorption, insulation filler or aggregate of cement mortar.

On the other hand, Figure 9 is a cross-sectional configuration diagram showing another embodiment of the ship exhaust gas pipe heat transfer and vibration shielding apparatus according to the present invention, the same reference numerals will be used for the same components.

This is a train made of the same material as foam stone 57 formed by foaming vermiculite and pearl arms on the outer periphery of the lower part of the connecting pipe 10 constituting the heat transfer and vibration blocking device of the ship exhaust gas pipe shown in FIGS. 2 to 8. As the cutting material 70, the heat of the exhaust pipe 3 is blocked.

That is, a plurality of Y-shaped fixing projections 72 are fixed to the outer circumference of the connecting pipe 10, and then the heat shield 70 is appropriately fitted to the outer circumference of the connecting pipe 10 based on the fixing projection 72. Formed to thickness.

At this time, the thermal insulation material 70 formed by mixing vermiculite or pearlite (Perlite) and cerasite powder, alumina and water foamed at 900 to 1200 ° C, and the connection pipe 10 having the fixing protrusion 72 fixed thereto. Forming to a suitable thickness on the periphery, and drying it, the high temperature inside the exhaust pipe 3 is doubled by the foam stone 57 and the heat shield 70 to block the high temperature heat transferred to the deck 5. do.

Referring to the operating state of the present invention configured as described above, as shown in Figures 1 to 5, the exhaust gas of the high temperature (400 ~ 600 ℃) generated in the engine 1 of the ship to the outside through the exhaust pipe (3) Discharged. At this time, the absorption of the exhaust gas to the deck 5 provided in the area of the exhaust pipe 3 fixed to the deck 5 is blocked.

To explain this schematically, the connection pipe 10 and the count flange 20 in which the high temperature (400 to 600 ° C.) generated in the exhaust gas of the exhaust pipe 3 are connected to the upper and lower parts by welding are welded. Transmitted through the high temperature and vibration blocking means 40 between the vertical flange 30 is fixed to the deck 5 and the lower count flange 20 is transmitted through the high temperature (400 ~ 600) Is absorbed at 60 ° C. and vibration is attenuated and transmitted to deck 5.

In this case, the high temperature and vibration blocking means 40 includes a lower gasket 42 seated on the vertical flange 30, a high temperature and vibration blocking member 50 seated on the lower gasket 42, and a high temperature and vibration blocking member. It consists of an upper gasket 44 seated on the upper part of the member 50 and the lower part of the count flange 20, the exhaust gas of the high temperature (400 ~ 600 ℃) absorbed at 60 ℃ to reduce the temperature and at the same time attenuated vibration.

That is, the lower and upper gaskets 42 and 44 are made of asbestos, which prevents deformation from the high temperature exhaust gas inside the exhaust pipe 3, and blocks heat transferred therefrom. In particular, the high temperature and vibration is absorbed and blocked by the foam stone 57 formed by foaming vermiculite or pearl rock forming the high temperature and vibration blocking member 50.

Foam stone (57) constituting such a high temperature and vibration blocking member 50 is applied to heat the vermiculite or pearl rock directly at 900 ~ 1200 ℃ to foam like corn or rice, then foamed vermiculite + pearl cancer + Cera As it is molded by increasing the strength by mixing the site powder + alumina + water, even if the high temperature of 600 ℃ or higher is continuously delivered to the ship or onshore pipeline, it will not only provide perfect heat blocking effect but also vibration and noise when passing through this product. I can catch you.

Experiments will be described that the high temperature generated in the exhaust gas is blocked by the foam stone 57 of the high temperature and vibration blocking member 50 manufactured as described above.

As shown in Figure 1-1, this experiment is not installed directly on the ship, but on a boiler that generates high temperatures (above 600 ° C) as on ships.

Figure 1-1. Sample installation diagram

As shown in Fig. 1-2 and Fig. 1, the temperature sensor is attached to T2, T3 of the deck (part corresponding to the deck of the ship) and T1 of the boiler body respectively to determine the temperature measurement position. The temperature measuring device is connected to each of these temperature sensors to measure the temperature of T1, T2, and T3 where the temperature sensors are installed. At this time, the surface temperature of T2 and T3 should not exceed 60 degreeC.

Figure 1-2. Temperature measuring position

Figure 1. Schematic diagram of the temperature measuring device

Table 1 shows the test results. When the temperature of T1 boiler reaches 600 ℃, the temperature of each check point (T2, T3) is checked at 1 hour interval. At this time, the high temperature is transferred to the deck, the temperature is significantly lowered in T2, T3 it can be seen that the temperature is blocked by the foam stone absorption.

Meanwhile, as shown in FIG. 9, a plurality of Y fixing protrusions 72 are fixed to the outer periphery of the lower portion of the connection pipe 10 constituting the heat transfer and vibration blocking device of the ship exhaust gas pipe using foam stones, and then the fixed protrusions 72 are fixed. As the heat insulating material 70 is formed to a suitable thickness on the outer circumference of the connecting pipe 10 based on the beam 72, the high temperature inside the exhaust pipe 3 is doubled as the foam stone 57 and the heat insulating material 70. It is blocked to completely block the high temperature heat transferred to the deck (5).

Meanwhile, as shown in FIG. 9, a plurality of Y fixing protrusions 72 are fixed to the outer periphery of the lower portion of the connecting pipe 10 constituting the heat transfer and vibration blocking device of the ship exhaust gas pipe, and then the fixing protrusions 72 are fixed. As the thermal barrier material 70 is formed to an appropriate thickness on the outer circumference of the connecting pipe 10, the high temperature inside the exhaust pipe 3 is blocked by the foam stone 57 and the thermal barrier material 70 in double, thereby forming a deck ( It will completely block the high temperature heat transferred to 5).

The heat transfer and vibration blocking device of the ship exhaust gas pipe according to the present invention described above is not limited to the above-described embodiment, and is usually in the field of the present invention without departing from the gist of the present invention as claimed in the following claims. Anyone with knowledge of the technology will have the technical idea to the extent that various changes can be made.

Claims (6)

delete delete A connection pipe 10 having upper and lower exhaust pipes 3 for discharging high-temperature exhaust gas generated from the engine 1 of the ship to the outside;
A count flange 20 inserted into and fixed to an outer circumference of the connection pipe 10;
A vertical flange 30 of pipe type fixed perpendicular to the deck 5; And
It is interposed between the lower portion of the count flange 20 and the upper region of the vertical flange 30, and is fixed by the fastening means 60 to lower the temperature of the high exhaust gas temperature, the vibration is attenuated to be transmitted to the deck (5) High temperature and vibration blocking means 40;
Heat transfer and vibration blocking device of the ship exhaust gas pipe comprising a. The method of claim 3, wherein the high temperature and vibration blocking means 40
A lower gasket 42 seated on an upper portion of the vertical flange 30;
A high temperature and vibration blocking member 50 seated on the lower gasket 42;
The high temperature and vibration blocking member 50 and the heat transfer and vibration blocking device of the ship exhaust gas pipe, characterized in that consisting of the upper gasket 44 which is seated on the lower portion of the count flange (20). The method of claim 4, wherein the high temperature and vibration blocking member 50
A lower plate 52 and an upper plate 53 formed of a circular shape;
A cylindrical vertical plate 55 vertically connected between the lower plate 52 and the upper plate 53 and having a space 54 formed therein;
Filled in the space 54, and produced by mixing 50 to 150 parts by weight of pearl arm, 20 to 50 parts by weight of cerasite powder, 20 to 50 parts by weight of water with respect to 100 parts by weight of vermiculite, the high temperature and vibration Foamstone (57) for blocking absorption;
Heat transfer and vibration blocking device of the ship exhaust gas pipe, characterized in that consisting of the insertion pipe 59 is inserted into the through-hole 51 formed to correspond to the lower plate 52, the upper plate 53 and the foam stone 57 . According to claim 3, Fixing a plurality of fixing projections 72 on the outer periphery of the connecting pipe 10,
Heat transfer and vibration blocking device of the exhaust pipe for ships, characterized in that the thermal insulation member 70 is formed in a uniform thickness on the outer periphery of the connecting pipe (10) based on the fixing projection (72).

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