JP3287064B2 - Liquid sprayer for absorption refrigerator - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid dispersing apparatus for an absorption refrigerator, which sprays liquid on the surface of a heat transfer tube of an evaporator or an absorber of the absorption refrigerator.

[0002]

2. Description of the Related Art A liquid spraying apparatus of this type exchanges heat between a liquid to be sprayed and a fluid flowing in a heat transfer tube.
In the evaporator, water used as a refrigerant is sprayed on the surface of a heat transfer tube through which cooling water flows, and in the absorber, an aqueous solution of lithium bromide used as an absorbing solution is sprayed on the surface of the heat transfer tube through which cooling water flows. Conventionally, this type of spraying apparatus has a long trough-shaped tray T for receiving a liquid to be sprayed as disclosed in Japanese Patent Laid-Open No. 2-298237 and shown in FIGS. A mountain-shaped liquid receiving portion A for receiving liquid flowing out from a large number of outlets D opened at the bottom portion, a skirt portion S connected to the receiving portion A, and a large number of drippings surrounded by a rectangular spacer Z and an outer wall W. Mouth O
And a guide body G having the following configuration, so that the liquid is dispersed in the longitudinal direction of the heat transfer tube P in a dispersed manner.

[0003]

However, in the above-mentioned structure, the upper protruding end of the outer wall W provided on the guide body G closes the liquid at the mountain skirt on the long side of the liquid receiving portion A, and the liquid drops. Mouth O
However, since the short-side end of the liquid receiving portion A having a mountain shape is open, the liquid cannot be collected on the liquid receiving portion A, For this reason,
If the long side of the spraying device is slightly inclined as shown by the imaginary line in FIG. 6 due to the horizontal installation position of the refrigerator, liquid flows out from the open end of the short side located on the lower side of the inclination, and The liquid surface on the upper side is cut, and the drip port O located on the upper side
However, there is a problem that the liquid cannot be dripped from the nozzle and uniform spraying in the length direction cannot be performed.

[0004] The main object of the present invention is to make it possible to substantially uniformly drip along the long side of the spraying device even if the long side of the spraying device is tilted due to a shift of the horizontal installation position of the refrigerator, thereby improving the spraying efficiency. An object of the present invention is to provide a liquid spraying device for a refrigerator.

[0005]

Therefore, in order to achieve the above-mentioned main object, the present invention according to claim 1 has a long tray 1 for receiving a liquid to be sprayed, as shown in FIGS.
And a guide body 2 for receiving liquid flowing out from an outlet 11 provided in the tray 1 and dropping the liquid from a plurality of dropping ports 22 provided in a longitudinal direction. Guide body 2
The liquid receiving portion 21 has a long side crest 31 for closing the long side open end of the liquid receiving portion 21 and a short side crest 32 for closing the short side open end of the liquid receiving portion 21. A blocking wall 3 is provided.

[0006] Even if the outlet 11 of the tray 1 is clogged with dust, the delivery of liquid from the tray 1 to the guide body 2 is ensured by overflow, and the above-described main purpose is achieved for a long time. The shorter side of the tray 1 having a width smaller than the width of the shorter side of the guide body 2 is disposed within the width of the guide body 2.

In order to reduce the clogging of the outflow port 11 of the tray 1 itself and to achieve the above-mentioned main purpose for a longer period of time, the outflow port 11 of the liquid is opened in the side wall of the tray 1.

According to the second aspect of the present invention, the main object is to ensure a sufficient amount of liquid that can be stored in the guide body 2 and to reliably transfer liquid from the outlet 11 of the tray 1 to the guide body 2. Is more stably achieved, the closing wall 3 is higher than the liquid outlet 11 provided in the tray 1. According to the third aspect of the present invention, there is provided a long tray 1 for receiving a liquid to be sprayed, a drip port 22 for receiving a plurality of liquids flowing out of an outlet 11 provided in the tray 1 and providing a plurality of liquids in the length direction.
A liquid dispersing device for an absorption refrigerator including a guide body 2 for dropping liquid from the liquid container, wherein the guide body 2 has a long side crest for closing a long side open end of the liquid receiving portion 21 of the guide body 2. Closing wall 3 having a portion 31 and a short side weir 32 for closing the short side open end of the liquid receiving unit 21
Is provided, and the short side of the tray 1 having a width smaller than the width of the short side of the guide body 2 is arranged within the width of the short side of the guide body 2.
A liquid spraying device for an absorption refrigerator, wherein a closing wall 3 is higher than a liquid outlet 11 provided in a tray 1.

According to a fourth aspect of the present invention, there is provided a guide for effectively increasing the height of the liquid head closed by the closing wall 3 and improving the drainage of the dripped liquid to achieve the above-mentioned main object. The body 2 has a chevron shape having a top at the center of the short side, the top of which is fixed to the bottom of the tray 1, and a drip port 22 below the inclined liquid receiving portion 21 along the hillside. And at the outer edge of the drip port 22,
A draining projection 23 extending downward is extended. According to a fifth aspect of the present invention, a long tray 1 for receiving a liquid to be sprayed, and a liquid flowing out of an outlet 11 provided in the tray 1 are received, and the liquid is dropped from a plurality of drip holes 22 provided in the length direction. In the liquid dispersing device of the absorption refrigerator including the guide body 2 to be made, the guide body 2 has a long-side crest 31 for closing the long-side open end of the liquid receiving portion 21 in the guide body 2; A blocking wall 3 having a short-side weir portion 32 for blocking a short-side open end of the liquid receiving portion 21 is provided, and the guide body 2 has a chevron shape having a central portion of the short side as a top. Yes, while fixing the top to the bottom of the tray 1,
A drip port 22 is opened below the inclined liquid receiving portion 21 along the hillside, and a draining projection 23 extending downward is provided at the outer edge of the drip port 22. It is a liquid spraying device of an absorption refrigerator. According to a sixth aspect of the present invention, a long tray 1 for receiving a liquid to be sprayed, and a liquid flowing out from an outlet 11 provided in the tray 1 are received, and the liquid is dropped from a plurality of dropping ports 22 provided in a plurality of lengthwise directions. In the liquid dispersing device of the absorption refrigerator including the guide body 2 to be made, the guide body 2 has a long-side crest 31 for closing the long-side open end of the liquid receiving portion 21 in the guide body 2; A blocking wall 3 having a short side weir 32 for closing the short side open end of the liquid receiving unit 21 is provided, and the short side of the guide 2 is set within the width of the short side of the guide 2. The short side of the tray 1 having a width smaller than the width of the side is arranged, and the guide body 2
Is a chevron shape having the top at the center of the short side, the top of which is fixed to the bottom of the tray 1, and the drip port 22 is opened below the inclined liquid receiving portion 21 along the hillside. A liquid spraying device for an absorption refrigerator, characterized in that a draining projection 23 extending downward is provided on the outer edge of the drip port 22.

[0010]

According to the first, third, fifth and sixth aspects of the present invention, FIG.
As shown in the figure, even if the long side of the spraying device is inclined due to the shift of the horizontal installation position of the refrigerator, the short side open end of the liquid receiving portion 21 located below the inclination is a short side side crest portion 32. Since the liquid is blocked, the liquid can be prevented from flowing out from the short side open end. Then, the liquid can be stored inside the blocking wall 3 surrounded by the short side crest portion 32 and the long side crest portion 31, and the liquid level is cut off at the drip port 22 located on the upper side of the inclination. The situation can be reduced, and the liquid can be dropped from almost all of the dropping ports 22 provided in a large number in the length direction,
Almost uniform spraying can be performed in the length direction.

According to the first, third and sixth aspects of the present invention, even if the outlet 11 of the tray 1 is clogged with dust, the tray having a narrow short side as shown by a two-dot chain line arrow in FIG. The liquid overflowing from 1 can be received by the guide member 2 having a wide short side, and the liquid can be stored inside the blocking wall 3, so that the above-mentioned main object can be achieved for a long time.

According to the first aspect of the present invention, since the outflow port 11 is opened on the side wall of the tray 1, it is possible to reduce the possibility that the outflow port (11) is closed by the settled debris. Can be achieved over a longer period.

According to the second and third aspects of the present invention, the closing wall 3
Is higher than the outlet 11 of the tray 1, it is possible to secure a sufficient amount of liquid that can be stored in the guide body 2 and
The liquid can be reliably transferred from the outflow port 11 to the guide body 2 and the main object can be achieved more stably.

According to the fourth, fifth and sixth aspects of the present invention, the dropping port 22 is opened below the inclined liquid receiving portion 21, so that the liquid head above the dropping port 22 can be effectively used. As well as the drainage projection 23,
The liquid to be dropped is supplied to the liquid receiving portion 21 of the guide body 2.
Can be smoothly dropped downward without wrapping around and adhering to the rear surface side of the substrate, and the above-mentioned main object can be achieved more favorably.

[0015]

FIG. 3 shows an absorption refrigerator having an evaporator 5 and an absorber 6 provided with a liquid spraying apparatus 100 according to the present invention. In the evaporator 5, a cold water pipe 41 for taking out cooling water is provided inside the container 50, and the liquid spraying device 1 is provided.
From 00, water used as a coolant is sprayed. In the absorber 6, a cooling water pipe 42 for flowing cooling water is provided adjacent to the eliminator 60 in the same container 50 as the evaporator 5, and a lithium bromide aqueous solution used as an absorbing solution from the liquid spraying apparatus 100. Spray a strong solution.

In FIG. 3, reference numeral 51 denotes a refrigerant pump, 61 denotes a solution pump, 62 denotes a low-temperature heat exchanger, 63 denotes a high-temperature heat exchanger, 7 denotes a burner 70 as a heat source, and a rare gas containing a large amount of refrigerant in the absorber 6. A high-temperature generator 8 for generating a refrigerant from the solution has a heat transfer tube group 80 through which the refrigerant vapor generated in the high-temperature generator 7 flows, and has an intermediate concentration generated by the high-temperature generator 7 and passed through the high-temperature heat exchanger 63. A low-temperature generator 9 for generating a refrigerant from the solution, a condenser 9 for condensing refrigerant vapor generated in the low-temperature generator 8 by a cooling water pipe 90 provided continuously after the cooling water pipe 42 of the absorber 6, and 91 for cooling This is a cooling / heating switching valve that performs heating.

As shown in FIGS. 1 and 2, the liquid dispersing device 100 used for the evaporator 5 and the absorber 6 is formed symmetrically with respect to the center of the short side, and the bottom wall 1a and the long side. Side wall 1
b and a short side wall 1c, and a long box-shaped tray 1 for receiving a liquid to be sprayed.
Liquid receiving portion 2 for receiving the liquid flowing out from outlets 11 opening a large number at the lower side in the longitudinal direction of the long side wall 1b
1 and a guide body 2 having a plurality of liquid drop ports 22 provided in the length direction.

The guide member 2 is attached to the guide member 2.
And a short side crest 32 closing the short side open end of the liquid receiving portion 21 and a short side crest 32 closing the short side open end of the liquid receiving portion 21. A stop wall 3 is provided. In addition, as shown in FIG. 2, a support arm 33 of the spraying device is provided continuously above the short side weir portion 32. Thus, as shown in FIG. 4, even if the long side of the spraying device is tilted due to the shift of the horizontal installation position of the refrigerator, the liquid level is cut off at the drip port 22 located on the upper side of the tilt, as shown in FIG. The situation can be reduced, and the liquid can be dripped from almost all of the dripping ports 22 provided in the lengthwise direction.

In the above configuration, the short side of the tray 1 having a width smaller than the width of the short side of the guide body 2 is arranged within the width of the short side of the guide body 2. The outlet 11 is open to the long side wall 1 b of the tray 1, and the closing wall 3 is higher than the liquid outlet 11 provided in the tray 1. Therefore, the clogging of the outlet 11 of the tray 1 with dust can be reduced, and even if the dust is clogged, the tray 1 overflows from the tray 1 having a narrow short side as shown by a two-dot chain line arrow in FIG. The liquid can be received by the guide member 2 having a wide short side, and a sufficient amount of liquid that can be stored in the guide member 2 can be secured.
The liquid can be reliably transferred from the outlet 11 to the guide body 2.

Further, in the above configuration, the guide body 2 has a chevron shape having a top portion at the center of the short side.
a is fixed to the bottom wall 1 a of the tray 1, a drip port 22 is opened below the inclined liquid receiving portion 21 along the hillside, and the drip port 22 is formed at the outer edge portion of the drip port 22. Extending draining projections 23 are provided. This draining projection 23
It is formed of a trapezoidal tooth body 23a provided integrally with the lower end of a long rectangular plate 24 attached to the inner surface of the long side weir 31 and extending downward through the drip port 22 and having a narrower lower end.
In addition, about tens to hundreds (for example, 160) of draining projections 23 composed of the tooth bodies 23a are provided in total on the left and right sides.
Thereby, each drip port 22 is provided with the inclined liquid receiving portion 21.
, The liquid head on the upper side of the drip port 22 can be effectively raised, and the liquid to be dripped by the drainage projection 23 is provided on the back surface of the liquid receiving portion 21 of the guide body 2. It can be smoothly dropped downward without wrapping around and adhering to the side.

In the above embodiment, the liquid receiving portion 21 has a mountain shape. However, the liquid receiving portion 21 may have a flat shape, and the short side of the guide body 2 is wider than the tray 1. The liquid outlet 11 may be opened in the bottom wall 1 a of the tray 1.

[0022]

According to the first, third, fifth and sixth aspects of the present invention, even if the long side of the spraying device is inclined due to the shift of the horizontal installation position of the refrigerator, the liquid receiving device is located below the inclination. Part 21
The open end of the short side is closed by the short side weir 32, and the short side weir 32 and the long side weir 3 are placed on the liquid receiving part 21.
Since the liquid can be stored by the blocking wall 3 surrounded by 1, the situation in which the liquid surface is cut off at the drip port 22 located on the upper side of the inclination can be reduced, and a large number of drip ports 22 provided in the length direction can be reduced. Liquid can be dripped from most,
Almost uniform spraying can be performed in the length direction, and spraying efficiency can be improved.

According to the first, third and sixth aspects of the present invention, even if the outlet 11 of the tray 1 is clogged with dust, the liquid overflowing from the tray 1 having a narrow short side can be guided by a wide guide having a short side. The liquid can be collected inside the blocking wall 3 by being received by the body 2, and uniform spraying can be achieved over a long period of time.

According to the third aspect of the present invention, clogging of the outlet 11 of the tray 1 with dust can be reduced, and uniform spraying can be achieved for a longer period of time.

According to the second and third aspects of the present invention, the closing wall 3
And the amount of liquid that can be stored in the guide body 2 can be sufficiently secured, the liquid can be reliably transferred from the outlet 11 of the tray 1 to the guide body 2, and uniform spraying can be achieved more stably. .

According to the fourth, fifth and sixth aspects of the present invention, the liquid head above the drip port 22 can be effectively raised, and the liquid can be smoothly directed downward by the drainage projection 23. It can be dropped, and uniform spraying can be achieved even better.

[Brief description of the drawings]

FIG. 1 is a cross-sectional side view of a short side of a liquid spraying device of an absorption refrigerator according to the present invention.

FIG. 2 is a side view of a long side of the liquid spraying device.

FIG. 3 is a piping diagram of an absorption refrigerator equipped with the liquid spraying device.

FIG. 4 is an explanatory diagram for explaining the operation of the liquid spraying device.

FIG. 5 is a cross-sectional side view of a short side of a conventional liquid spraying device.

FIG. 6 is a side view of a long side of a conventional liquid spraying device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Tray 2 Guide body 3 Blocking wall 11 Outflow port 21 Liquid receiving part 22 Dropping port 23 Draining protrusion 31 Long side crest 32 Short side crest

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-2-298237 (JP, A) JP-A-59-225270 (JP, A) JP-A-1-291075 (JP, A) 43967 (JP, U) Jiko 3-8920 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) F25B 37/00 F25B 39/02

Claims (6)

(57) [Claims] 1. A long tray (1) for receiving a liquid to be sprayed, and a drip port (22) for receiving a liquid flowing out of an outlet (11) provided in the tray (1) and providing a plurality of liquids in the length direction. ), A guide body (2) for dropping liquid from the liquid dispersion apparatus of the absorption refrigerator, wherein the guide body (2) has a long side opening of the liquid receiving portion (21) of the guide body (2). Long side crest (3
1) and a closing wall (3) having a short side weir (32) for closing the short side open end of the liquid receiving part (21). The shorter side of the tray (1) having a width smaller than the width of the shorter side of the guide body (2) is arranged within the width of the side, and the liquid outlet (11) is provided on the side wall of the tray (1). A liquid spraying device for an absorption refrigerator having an opening. 2. The liquid spraying device for an absorption refrigerator according to claim 1, wherein the closing wall (3) is higher than a liquid outlet (11) provided in the tray (1). 3. A long tray (1) for receiving a liquid to be sprayed, and a drip port (22) for receiving a liquid flowing out of an outlet (11) provided in the tray (1) and providing a plurality of liquids in the length direction. ), A guide body (2) for dropping liquid from the liquid dispersion apparatus of the absorption refrigerator, wherein the guide body (2) has a long side opening of the liquid receiving portion (21) of the guide body (2). Long side crest (3
1) and a closing wall (3) having a short side weir (32) for closing the short side open end of the liquid receiving part (21). The shorter side of the tray (1) having a width smaller than the width of the shorter side of the guide body (2) is arranged within the width of the side, and the closing wall (3) is provided for the liquid provided on the tray (1). A liquid spraying device for an absorption refrigerator, wherein the liquid spraying device is higher than the outlet (11). 4. A guide body (2) having a chevron shape having a central portion on a short side as a top, a top fixed to the bottom of the tray (1), and an inclined liquid along the mountainside. A drip port (22) is opened below the receiving portion (21), and
The liquid spraying device for an absorption refrigerator according to any one of claims 1 to 3, wherein a draining projection (23) extending downward extends from an outer edge of the drip port (22). 5. A long tray (1) for receiving a liquid to be sprayed, and a drip port (22) for receiving a liquid flowing out from an outlet (11) provided in the tray (1) and providing a plurality of liquids in the length direction. ), A guide body (2) for dropping liquid from the liquid dispersion apparatus of the absorption refrigerator, wherein the guide body (2) has a long side opening of the liquid receiving portion (21) of the guide body (2). Long side crest (3
1) and a closing wall (3) having a short side weir (32) for closing the short side open end of the liquid receiving part (21). It has a chevron shape with the center of the short side as the top, the top is fixed to the bottom of the tray (1), and the drip port (21) is provided below the inclined liquid receiving portion (21) along the hillside. 22) and the drip port (2)
A liquid spraying device for an absorption refrigerator, characterized in that a draining projection (23) extending downward is extended at the outer edge of (2). 6. A long tray (1) for receiving a liquid to be sprayed, and a drip port (22) for receiving a plurality of liquids flowing out of an outlet (11) provided in the tray (1) and providing a plurality of liquids in a length direction. ), A guide body (2) for dropping liquid from the liquid dispersion apparatus of the absorption refrigerator, wherein the guide body (2) has a long side opening of the liquid receiving portion (21) of the guide body (2). Long side crest (3
1) and a closing wall (3) having a short side weir (32) for closing the short side open end of the liquid receiving part (21). Within the width of the side, the short side of the tray (1) having a width smaller than the width of the short side of the guide body (2) is arranged, and the guide body (2) has the top part at the center of the short side. It has a chevron shape, the top of which is fixed to the bottom of the tray (1), and a drip port (22) is opened below the inclined liquid receiving portion (21) along the hillside. Droplet (2
A liquid spraying device for an absorption refrigerator, characterized in that a draining projection (23) extending downward is extended at the outer edge of (2).